Java examples for Java Virtual Machine:Jar
The basic format of the jar command is this:
jar options jar-file [manifest-file] class-files...
The options specify the basic action you want jarto perform and provide additional information about how you want the command to work.
The following table lists the options.
| Option | Description |
|---|---|
| c | Creates a new jarfile. |
| u | Updates an existing jarfile. |
| x | Extracts files from an existing jarfile. |
| t | Lists the contents of a jarfile. |
| f | Indicates that the jarfile is specified as an argument. You almost always want to use this option. |
| v | Verbose output. This option tells the jarcommand to display extra information while it works. |
| 0 | Doesn't compress files when it adds them to the archive. This option isn't used much. |
| m | Specifies that a manifest file is provided. It's listed as the next argument following the jarfile. |
Create jar file
jar cf utils.jar com\book2s\util\*.class
List jar content
jar tf utils.jar